Home / 55,307,123.20-82,811,385.60-55,307,123.20

Finding the Fourth Proportional to 55,307,123.20, 82,811,385.60 and 55,307,123.20

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Solution

The fourth proportional to 55,307,123.20, 82,811,385.60 and 55,307,123.20 is: 82,811,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307,123.20 : 82,811,385.60 = 55,307,123.20 : x
  2. Step 2: Convert to fraction form
    55,307,123.20/82,811,385.60 = 55,307,123.20/x
  3. Step 3: Cross multiply
    55,307,123.20x = 82,811,385.60 × 55,307,123.20
  4. Step 4: Simplify right side
    55,307,123.20x = 4,580,059,505,741,906
  5. Step 5: Solve for x
    x = 4,580,059,505,741,906/55,307,123.20
  6. Step 6: Final answer
    x = 82,811,385.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.